Leveraging virtio-vsock in the cloud and containers

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Explains AF_VSOCK and the virtio-vsock device and how projects that increase cloud/container isolation—Kata Containers, Nitro Enclaves, and libkrun—use vsock as a POSIX-socket-like channel between hosts and KVM-based VMs. Covers demos showing debugging and performance tools for vsock and outlines planned features such as namespaces, multiqueue, and shared memory to expand the virtio-vsock ecosystem.

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